Ahlborn ALMEMO 2390-5 Instrukcje Operacyjne Pobierz pdf (Strona 41)

7. SENSOR PROGRAMMING

Since on ALMEMO

devices all sensor programming is stored in the ALMEMO

connector, the user will not normally need to reprogram. Programming will only

be necessary e.g. if sensor errors are corrected, if your own sensors are sca-

led, or if certain limit values are stipulated; in these circumstances there are

comprehensive programming functions available. Please note that series sen-

sors featuring the locking mode can be protected against unintended alteration

and that if modification is required then the locking mode must first be lowered

to an appropriate level; (see Section 7.2). All parameters can be entered and

modified easily and conveniently via the keypad - providing this function is acti-

vated (see Section 5.2) and the appropriate sensor connector is plugged in.

7.1 Selecting a measuring point

To view or to edit a sensor’s parameters, first of all in the MEASURED VALUE

function select the appropriate measuring point by pressing the M▲ key.

To increment the measuring channel press key:

(applies to programmable channels only)

To decrement the measuring channel press key:

and hold down (for approx. 1 second)

7.2 Locking the sensor programming (s. Hb. 6.3.12)

The functional parameters for each measuring point are protected by means of

the locking mode; this can be set to the desired locking level. Before program-

ming the locking mode must be lowered to an appropriate level. You can briefly

and temporarily lower the locking mode to level 3 by switching on the device

with the PROG and FUNCTION keys held down; (after switching off it will be resto-

red to the level programmed in the connector). If in the display you see a dot

after the locking mode, this means that this cannot be modified.

Locking level Locked functions

0 none

1 Measuring range, element flags

2 Measuring range, zero-point correction, gain correction

3 Measuring range, units

4 This plus zero-point correction, gain correction

5 This plus base value, factor, exponent

6 This plus analog output, start and end

7 This plus limit values maximum and minimum

ALMEMO

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Sensor programming

M ▲

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Ahlborn ALMEMO 2390-5 Instrukcje Operacyjne Strona 41